13040044220 has 48 divisors (see below), whose sum is σ = 31303516608. Its totient is φ = 4469813760.

The previous prime is 13040044207. The next prime is 13040044243. The reversal of 13040044220 is 2244004031.

13040044220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13040044192 and 13040044201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788840 + ... + 805200.

It is an arithmetic number, because the mean of its divisors is an integer number (652156596).

Almost surely, 2^13040044220 is an apocalyptic number.

13040044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13040044220 is an abundant number, since it is smaller than the sum of its proper divisors (18263472388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13040044220 is a wasteful number, since it uses less digits than its factorization.

13040044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22070 (or 22068 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 13040044220 its reverse (2244004031), we get a palindrome (15284048251).

The spelling of 13040044220 in words is "thirteen billion, forty million, forty-four thousand, two hundred twenty".